added extern "C" to get rid of compiler warning
added extern "C" to get rid of compiler warning

asgeroverby/cpputest,asgeroverby/cpputest,devMichaelJones/cpputest,Mindtribe/cpputest,jaeguly/cpputest,jaeguly/cpputest,KisImre/cpputest,maxilai/cpputest,basvodde/cpputest,PaulBussmann/cpputest,chenlianbing/cpputest,devMichaelJones/cpputest,dawid-aurobit/cpputest,offa/cpputest,dawid-aurobit/cpputest,bithium/cpputest,jaeguly/cpputest,Andne/cpputest,chenlianbing/cpputest,dawid-aurobit/cpputest,PaulBussmann/cpputest,Mindtribe/cpputest,cpputest/cpputest,arstrube/cpputest,bithium/cpputest,Mindtribe/cpputest,Mindtribe/cpputest,KisImre/cpputest,cpputest/cpputest,asgeroverby/cpputest,arstrube/cpputest,offa/cpputest,offa/cpputest,PaulBussmann/cpputest,Andne/cpputest,dawid-aurobit/cpputest,basvodde/cpputest,offa/cpputest,chenlianbing/cpputest,PaulBussmann/cpputest,arstrube/cpputest,cpputest/cpputest,KisImre/cpputest,KisImre/cpputest,Andne/cpputest,bithium/cpputest,cpputest/cpputest,devMichaelJones/cpputest,maxilai/cpputest,jaeguly/cpputest,asgeroverby/cpputest,chenlianbing/cpputest,devMichaelJones/cpputest,maxilai/cpputest,arstrube/cpputest,maxilai/cpputest,Andne/cpputest,basvodde/cpputest,basvodde/cpputest,bithium/cpputest